Ushuaia weather in August

In August, Ushuaia sees average daytime highs of 2°C and overnight lows near -4°C, with 50 mm of precipitation across 12 wet days and about 9.3 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 7% of the time in August, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of August to 10 h 24 min by month's end. Set against the rest of the year, August is Ushuaia's 3rd-clearest and 9th-windiest month. For the whole year in context, see Ushuaia's year-round climate.

Daytime high
10th warmest
Overnight low
-4°
3rd coldest
Precipitation
50 mm
12 wet days
Daylight
9 h 18 min
8:59 AM – 6:15 PM
Cloud cover
76%
3rd clearest
Wind
8 km/h
9th windiest
Solar energy
1.54 kWh/m²
Travel score
0.0
out of 10

Ushuaia is capital of Tierra del Fuego in Argentina.

Density
2,471/km²
people per km²
Founded
1884

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 2°C through the month.

A typical August day in Ushuaia reaches about 2°C in the afternoon and slips back to -4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 4°C. Set against its neighbours, August runs about 1°C warmer than July and about 2°C cooler than September.

-10°-5°151015202531
Avg high (°C)Avg low (°C)
11-4
21-4
31-4
41-4
51-4
61-4
71-4
81-4
91-4
101-4
111-4
121-4
131-4
141-4
151-4
162-4
172-4
182-4
192-4
202-4
212-4
222-4
232-4
242-4
252-4
262-4
272-4
282-4
292-4
302-4
313-4

How August really feels in Ushuaia

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

Ushuaia weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 10022.4116.41.9
Feb11° / 7617.61.314.72.0
Mar / 7916.8312.61.5
Apr / 6615.26.910.30.5
May / -2°5712.58.78.20.0
Jun / -4°5012.1127.10.0
Jul / -5°4912.212.47.50.0
Aug / -4°501212.39.30.0
Sep / -3°4812.510.711.50.0
Oct / -1°5614.78.313.80.5
Nov / 7618.75.615.91.3
Dec10° / 9921.82.916.91.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51882
61981
71981
81981
91981
102080
112080
122179
132179
142278
152278
162278
172278
182377
192377
202377
212476
222476
232476
242476
252575
262674
272674
282674
292674
302674
312674

Chance of precipitation in August

Any precipitationSnow

Ushuaia gets around 50 mm of rain and snow over 12 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 41% on the wettest days, and about 12 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14040
24040
34040
44040
54041
64041
74041
83941
93941
104041
114041
124042
134042
144042
154142
164142
174042
184041
194041
204041
213940
223940
233939
243839
253838
263838
273837
283737
293737
303736
313736

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 8 h 18 min at the start of August to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over August. Sunrise moves from 9:31 AM to 8:23 AM, and sunset from 5:48 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.39:315:48
28.39:295:50
38.49:275:51
48.59:255:53
58.59:235:55
68.69:215:57
78.79:195:59
88.79:176:01
98.89:156:02
108.99:136:04
118.99:106:06
129.09:086:08
139.19:066:10
149.19:046:12
159.29:026:14
169.38:596:15
179.38:576:17
189.48:556:19
199.58:526:21
209.68:506:23
219.68:486:25
229.78:456:27
239.88:436:29
249.88:406:31
259.98:386:32
2610.08:356:34
2710.18:336:36
2810.18:306:38
2910.28:286:40
3010.38:256:42
3110.48:236:44

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 1.54 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.87 kWh/m² in December across the year — August's 1.54 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
11.0Dim
21.1Dim
31.1Dim
41.1Dim
51.1Dim
61.2Dim
71.2Dim
81.2Dim
91.3Dim
101.3Dim
111.3Dim
121.4Dim
131.4Dim
141.4Dim
151.5Dim
161.5Dim
171.6Dim
181.6Dim
191.6Dim
201.7Dim
211.7Dim
221.8Dim
231.8Dim
241.9Dim
251.9Dim
261.9Dim
272.0Moderate
282.0Moderate
292.1Moderate
302.1Moderate
312.2Moderate
Planning a trip in August

Is August a good time to visit Ushuaia?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
8th-best month of the year
Beach & pool
never really warm enough

August is a weaker month for outdoor sightseeing in Ushuaia.

What to pack for Ushuaia in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Ushuaia sees daytime highs around 2°C and nights near -4°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Ushuaia in August

The nearest coast averages about 6°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 64 km away) is warmest in February at about 9°C and coldest in August near 6°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

4°6°8°10°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan9Bracing
Feb9Bracing
Mar9Bracing
Apr8Bracing
May8Bracing
Jun7Bracing
Jul6Bracing
Aug6Bracing
Sep6Bracing
Oct6Bracing
Nov7Bracing
Dec8Bracing

UV index in Ushuaia in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ushuaia peaks around January 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highModerateLowModerateHighJan 14UV 9Jun 19UV 0
UV index (midday)Level
Jan9Very high
Feb7High
Mar3Moderate
Apr2Low
May1Low
Jun0Low
Jul1Low
Aug1Low
Sep2Moderate
Oct4Moderate
Nov6High
Dec8Very high
Location & terrain

Where is Ushuaia?

Ushuaia sits at 54.8°S, 68.3°W, 6 m above sea level, in Argentina. The nearest listed city is Río Grande, 120 km away.

Punta ArenasRío GallegosPuerto NatalesEl CalafateEl ChaltenStanleyPuerto Deseado

Topography around Ushuaia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ushuaia.

Within 3 km, the terrain around Ushuaia has significant variations in elevation — a maximum elevation change of 422 m around an average of 92 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,443 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,279 m.

The land around Ushuaia is covered by trees (38%) and water (28%) within 3 km, water (34%) and trees (32%) within 16 km, and grassland (31%), trees (30%) and water (23%) within 80 km.

3 km
422 m
16 km
1,443 m
80 km
2,279 m
treesgrasslandartificial surfacesbare terrainsnow and icewater
August weather nearby: Río Grande 120 km · Punta Arenas 250 km · Río Gallegos 360 km · Puerto Natales 441 km · El Calafate 564 km · El Chalten 684 km · Stanley 776 km · Puerto Deseado 803 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ushuaia (-54.8108°, -68.3159°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).